update readme

README.md

@@ -5,14 +5,26 @@ This is a stupid little game where you fly around and bump into asteroids and st
 
 ###Installation
 
-Clone the Git repository, install node.js version 5.6.0 or higher then run `npm install` in the project directory.
+Clone the Git repository, install Node.js version 5.6.0 or higher then run `npm install` in the project directory.
+
+Make sure that the command `node` links to this Node..js version and not `nodejs`.
 
 ###Running
 
-Run `node index.js`.
+Run `node index.js` or `npm start`.
 
-Port 8080 must be open for people to play across the internet.
+Port 8080 is used by default and this must be open for people to play across the internet. To use a different port, set the `process.env.PORT` variable.
+
+###Tests
+
+To run tests, use `npm test`. At the moment it doesn't test very much though but it can be useful to see if a player is at least able to connect without you having to go and open a browser tab.
 
 ###Controls
 
-WASD to move, mouse to aim and shoot.
+WASD to move.
+
+Mouse to aim and shoot.
+
+E/Q to change weapons.
+
+Enter to chat.

server/interface.js

@@ -17,6 +17,10 @@ class ServerInterface {
 	}
 
 	log(msg) {
+		if (!fs.existsSync('log')){
+    		fs.mkdirSync('log');
+		}
+
 		let timestamp = this.timestamp;
 		let output = msg;
 		Array.from(arguments).splice(1).forEach(a => output = output[a]);